<div class="container">
<h1>Security update for systemd</h1>
<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2026:20822-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2026-03-24T09:31:07Z</td>
</tr>
<tr>
<th>Rating:</th>
<td>important</td>
</tr>
<tr>
<th>References:</th>
<td>
<ul>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1228081">bsc#1228081</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1254293">bsc#1254293</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1256427">bsc#1256427</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1259418">bsc#1259418</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1259650">bsc#1259650</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1259697">bsc#1259697</a>
</li>
</ul>
</td>
</tr>
<tr>
<th>
Cross-References:
</th>
<td>
<ul>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-29111.html">CVE-2026-29111</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-4105.html">CVE-2026-4105</a>
</li>
</ul>
</td>
</tr>
<tr>
<th>CVSS scores:</th>
<td>
<ul class="list-group">
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-29111</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.8</span>
<span class="cvss-vector">CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-29111</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">5.5</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-29111</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">5.5</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-4105</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.3</span>
<span class="cvss-vector">CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-4105</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.8</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-4105</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">6.7</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H</span>
</li>
</ul>
</td>
</tr>
<tr>
<th>Affected Products:</th>
<td>
<ul class="list-group">
<li class="list-group-item">SUSE Linux Micro 6.0</li>
</ul>
</td>
</tr>
</tbody>
</table>
<p>An update that solves two vulnerabilities and has four fixes can now be installed.</p>
<h2>Description:</h2>
<p>This update for systemd fixes the following issues:</p>
<p>Security issues:</p>
<ul>
<li>CVE-2026-4105: privilege escalation due to improper access control in RegisterMachine D-Bus method (bsc#1259650).</li>
<li>CVE-2026-29111: local unprivileged user can trigger an assert in systemd (bsc#1259418).</li>
<li>udev: check for invalid chars in various fields received from the kernel (bsc#1259697).</li>
</ul>
<p>Non security issues:</p>
<ul>
<li>Name libsystemd-{shared,core} based on the major version of systemd and the
package release number (bsc#1228081, bsc#1256427)</li>
<li>detect-virt: bare-metal GCE only for x86 and i386 (bsc#1254293)</li>
</ul>
<p>Changelog:</p>
<ul>
<li>a943e3ce2f machined: reject invalid class types when registering machines</li>
<li>71593f77db udev: fix review mixup</li>
<li>73a89810b4 udev-builtin-net-id: print cescaped bad attributes</li>
<li>0f360bfdc0 udev-builtin-net_id: do not assume the current interface name is ethX</li>
<li>40905232e2 udev: ensure tag parsing stays within bounds</li>
<li>7bce9026e3 udev: ensure there is space for trailing NUL before calling sprintf</li>
<li>d018ac1ea3 udev: check for invalid chars in various fields received from the kernel</li>
<li>aef6e11921 core/cgroup: avoid one unnecessary strjoina()</li>
<li>cc7426f38a sd-json: fix off-by-one issue when updating parent for array elements</li>
<li>26a748f727 core: validate input cgroup path more prudently</li>
<li>99d8308fde core/dbus-manager: propagate meaningful dbus errors from EnqueueMarkedJobs</li>
<li>8bbac1d508 detect-virt: bare-metal GCE only for x86 and i386</li>
</ul>
<h2>Special Instructions and Notes:</h2>
<ul>
<li>Please reboot the system after installing this update.</li>
</ul>
<h2>Patch Instructions:</h2>
<p>
To install this SUSE update use the SUSE recommended
installation methods like YaST online_update or "zypper patch".<br/>
Alternatively you can run the command listed for your product:
</p>
<ul class="list-group">
<li class="list-group-item">
SUSE Linux Micro 6.0
<br/>
<code>zypper in -t patch SUSE-SLE-Micro-6.0-638=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
SUSE Linux Micro 6.0 (aarch64 s390x x86_64)
<ul>
<li>systemd-coredump-254.27-3.1</li>
<li>systemd-debugsource-254.27-3.1</li>
<li>systemd-portable-debuginfo-254.27-3.1</li>
<li>libsystemd0-254.27-3.1</li>
<li>systemd-254.27-3.1</li>
<li>systemd-coredump-debuginfo-254.27-3.1</li>
<li>libsystemd0-debuginfo-254.27-3.1</li>
<li>systemd-journal-remote-debuginfo-254.27-3.1</li>
<li>libudev1-debuginfo-254.27-3.1</li>
<li>systemd-container-254.27-3.1</li>
<li>systemd-container-debuginfo-254.27-3.1</li>
<li>systemd-experimental-debuginfo-254.27-3.1</li>
<li>udev-254.27-3.1</li>
<li>systemd-portable-254.27-3.1</li>
<li>udev-debuginfo-254.27-3.1</li>
<li>systemd-debuginfo-254.27-3.1</li>
<li>systemd-journal-remote-254.27-3.1</li>
<li>libudev1-254.27-3.1</li>
<li>systemd-experimental-254.27-3.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-29111.html">https://www.suse.com/security/cve/CVE-2026-29111.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-4105.html">https://www.suse.com/security/cve/CVE-2026-4105.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1228081">https://bugzilla.suse.com/show_bug.cgi?id=1228081</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1254293">https://bugzilla.suse.com/show_bug.cgi?id=1254293</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1256427">https://bugzilla.suse.com/show_bug.cgi?id=1256427</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1259418">https://bugzilla.suse.com/show_bug.cgi?id=1259418</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1259650">https://bugzilla.suse.com/show_bug.cgi?id=1259650</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1259697">https://bugzilla.suse.com/show_bug.cgi?id=1259697</a>
</li>
</ul>
</div>